{"id":"USN-6509-1","summary":"firefox vulnerabilities","details":"Multiple security issues were discovered in Firefox. If a user were\ntricked into opening a specially crafted website, an attacker could\npotentially exploit these to cause a denial of service, obtain sensitive\ninformation across domains, or execute arbitrary code. (CVE-2023-6206,\nCVE-2023-6210, CVE-2023-6211, CVE-2023-6212, CVE-2023-6213)\n\nIt was discovered that Firefox did not properly manage memory when\nimages were created on the canvas element. An attacker could potentially\nexploit this issue to obtain sensitive information. (CVE-2023-6204)\n\nIt discovered that Firefox incorrectly handled certain memory when using a\nMessagePort. An attacker could potentially exploit this issue to cause a\ndenial of service. (CVE-2023-6205)\n\nIt discovered that Firefox incorrectly did not properly manage ownership\nin ReadableByteStreams. An attacker could potentially exploit this issue\nto cause a denial of service. (CVE-2023-6207)\n\nIt discovered that Firefox incorrectly did not properly manage copy\noperations when using Selection API in X11. An attacker could potentially\nexploit this issue to obtain sensitive information. (CVE-2023-6208)\n\nRachmat Abdul Rokhim discovered that Firefox incorrectly handled parsing\nof relative URLS starting with \"///\". An attacker could potentially\nexploit this issue to cause a denial of service. (CVE-2023-6209)\n","modified":"2026-02-10T04:43:26Z","published":"2023-11-23T05:39:06Z","related":["UBUNTU-CVE-2023-6204","UBUNTU-CVE-2023-6205","UBUNTU-CVE-2023-6206","UBUNTU-CVE-2023-6207","UBUNTU-CVE-2023-6208","UBUNTU-CVE-2023-6209","UBUNTU-CVE-2023-6210","UBUNTU-CVE-2023-6211","UBUNTU-CVE-2023-6212","UBUNTU-CVE-2023-6213"],"upstream":["CVE-2023-6204","CVE-2023-6205","CVE-2023-6206","CVE-2023-6207","CVE-2023-6208","CVE-2023-6209","CVE-2023-6210","CVE-2023-6211","CVE-2023-6212","CVE-2023-6213","UBUNTU-CVE-2023-6204","UBUNTU-CVE-2023-6205","UBUNTU-CVE-2023-6206","UBUNTU-CVE-2023-6207","UBUNTU-CVE-2023-6208","UBUNTU-CVE-2023-6209","UBUNTU-CVE-2023-6210","UBUNTU-CVE-2023-6211","UBUNTU-CVE-2023-6212","UBUNTU-CVE-2023-6213"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-6509-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6204"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6205"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6206"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6207"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6208"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6209"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6210"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6211"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6212"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-6213"}],"affected":[{"package":{"name":"firefox","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/firefox@120.0+build2-0ubuntu0.20.04.1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"120.0+build2-0ubuntu0.20.04.1"}]}],"versions":["69.0.3+build1-0ubuntu1","70.0+build2-0ubuntu1","70.0+build2-0ubuntu2","70.0.1+build1-0ubuntu2","71.0+build2-0ubuntu2","71.0+build5-0ubuntu1","72.0.1+build1-0ubuntu1","72.0.2+build1-0ubuntu1","73.0+build1-0ubuntu1","73.0+build2-0ubuntu1","73.0+build3-0ubuntu1","73.0.1+build1-0ubuntu1","74.0+build1-0ubuntu1","74.0+build2-0ubuntu1","74.0+build2-0ubuntu2","74.0+build3-0ubuntu1","75.0+build3-0ubuntu1","76.0+build2-0ubuntu0.20.04.1","76.0.1+build1-0ubuntu0.20.04.1","77.0.1+build1-0ubuntu0.20.04.1","78.0.1+build1-0ubuntu0.20.04.1","78.0.2+build2-0ubuntu0.20.04.1","79.0+build1-0ubuntu0.20.04.1","80.0+build2-0ubuntu0.20.04.1","80.0.1+build1-0ubuntu0.20.04.1","81.0+build2-0ubuntu0.20.04.1","81.0.2+build1-0ubuntu0.20.04.1","82.0+build2-0ubuntu0.20.04.1","82.0.2+build1-0ubuntu0.20.04.1","82.0.3+build1-0ubuntu0.20.04.1","83.0+build2-0ubuntu0.20.04.1","84.0+build3-0ubuntu0.20.04.1","84.0.1+build1-0ubuntu0.20.04.1","84.0.2+build1-0ubuntu0.20.04.1","85.0+build1-0ubuntu0.20.04.1","85.0.1+build1-0ubuntu0.20.04.1","86.0+build3-0ubuntu0.20.04.1","86.0.1+build1-0ubuntu0.20.04.1","87.0+build3-0ubuntu0.20.04.2","88.0+build2-0ubuntu0.20.04.1","88.0.1+build1-0ubuntu0.20.04.2","89.0+build2-0ubuntu0.20.04.2","89.0.1+build1-0ubuntu0.20.04.1","89.0.2+build1-0ubuntu0.20.04.1","90.0+build1-0ubuntu0.20.04.1","90.0.2+build1-0ubuntu0.20.04.1","91.0+build2-0ubuntu0.20.04.1","91.0.1+build1-0ubuntu0.20.04.1","91.0.2+build1-0ubuntu0.20.04.1","92.0+build3-0ubuntu0.20.04.1","93.0+build1-0ubuntu0.20.04.1","94.0+build3-0ubuntu0.20.04.1","95.0+build1-0ubuntu0.20.04.1","95.0.1+build2-0ubuntu0.20.04.1","96.0+build2-0ubuntu0.20.04.1","97.0+build2-0ubuntu0.20.04.1","97.0.2+build1-0ubuntu0.20.04.1","98.0+build3-0ubuntu0.20.04.2","98.0.1+build2-0ubuntu0.20.04.1","98.0.2+build1-0ubuntu0.20.04.1","99.0+build2-0ubuntu0.20.04.2","100.0+build2-0ubuntu0.20.04.1","100.0.2+build1-0ubuntu0.20.04.1","101.0.1+build1-0ubuntu0.20.04.1","102.0+build2-0ubuntu0.20.04.1","103.0+build1-0ubuntu0.20.04.1","104.0+build3-0ubuntu0.20.04.1","105.0+build2-0ubuntu0.20.04.1","106.0.2+build1-0ubuntu0.20.04.1","106.0.5+build1-0ubuntu0.20.04.1","107.0+build2-0ubuntu0.20.04.1","108.0+build2-0ubuntu0.20.04.1","108.0.1+build1-0ubuntu0.20.04.1","108.0.2+build1-0ubuntu0.20.04.1","109.0+build2-0ubuntu0.20.04.1","109.0.1+build1-0ubuntu0.20.04.2","110.0+build3-0ubuntu0.20.04.1","110.0.1+build2-0ubuntu0.20.04.1","111.0+build2-0ubuntu0.20.04.1","111.0.1+build2-0ubuntu0.20.04.1","112.0+build2-0ubuntu0.20.04.1","112.0.1+build1-0ubuntu0.20.04.1","112.0.2+build1-0ubuntu0.20.04.1","113.0+build2-0ubuntu0.20.04.1","113.0.1+build1-0ubuntu0.20.04.1","113.0.2+build1-0ubuntu0.20.04.1","114.0+build3-0ubuntu0.20.04.1","114.0.1+build1-0ubuntu0.20.04.1","114.0.2+build1-0ubuntu0.20.04.1","115.0+build2-0ubuntu0.20.04.3","115.0.2+build1-0ubuntu0.20.04.1","116.0+build2-0ubuntu0.20.04.2","116.0.2+build1-0ubuntu0.20.04.1","116.0.3+build2-0ubuntu0.20.04.1","117.0+build2-0ubuntu0.20.04.1","117.0.1+build2-0ubuntu0.20.04.1","118.0.1+build1-0ubuntu0.20.04.1","118.0.2+build2-0ubuntu0.20.04.1","119.0+build2-0ubuntu0.20.04.1","119.0.1+build1-0ubuntu0.20.04.1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"120.0+build2-0ubuntu0.20.04.1","binary_name":"firefox"},{"binary_version":"120.0+build2-0ubuntu0.20.04.1","binary_name":"firefox-dev"},{"binary_version":"120.0+build2-0ubuntu0.20.04.1","binary_name":"firefox-geckodriver"},{"binary_version":"120.0+build2-0ubuntu0.20.04.1","binary_name":"firefox-mozsymbols"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-6509-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-6204","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6205","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6206","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6207","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6208","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6209","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6210","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6211","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6212","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2023-6213","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}]}}}],"schema_version":"1.7.3"}